.box1 {
    width: 300px;
    height: 200px;
    border: 10px solid #56DFEB;
    background-color: #FB7E80;
}
.box2 {
    margin-left: 50px;
    margin-right: 50px;
    margin-top: 50px;
    margin-bottom: 50px;
    width: 100px;
    height: 100px;
    background-color: #73B47B;
}
.box3 {
    width: 300px;
    height: 300px;
    margin-top: 0px;
    background-color: #D8FF00;
    margin-right: auto;
    margin-left: auto;
}
.box4 {
    width: 300px;
    height: 200px;
    background-color: #1FFFD1;
    padding-left: 300px;
    padding-right: 300px;
    padding-bottom: 200px;
    padding-top: 200px;
    margin-top: 0px;
}
.box5 {
    width: 300px;
    height: 400px;
    background-color: #16D7F7;
    border: 10px solid;
    margin-left: 20px;
    margin-top: 20px;
    margin-right: 20px;
    margin-bottom: 20px;
    padding-left: 20px;
    padding-top: 20px;
    padding-right: 20px;
    padding-bottom: 20px;
}
.box6 {
}
.box7 {
}
.box8 {
}
.box9 {
}
.box10 {
}
